$ git clone -n https://src.fedoraproject.org/rpms/marble.git /var/lib/mock/f40-build-2393450-60531/root/chroot_tmpdir/scmroot/marble
Cloning into '/var/lib/mock/f40-build-2393450-60531/root/chroot_tmpdir/scmroot/marble'...
$ git fetch origin d7528442106be4734d4ff70ed163351dc60210d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/marble
 * [new ref]         d7528442106be4734d4ff70ed163351dc60210d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d752844 24.01.95